G21A: Oral Cavity Syllabus - Pg. 6 ANAT 6010 Medical Gross Anatomy David A Morton Objectives • Oral cavity • Tongue • Palate • Teeth 1) Oral Cavity Overview Hard palate Soft palate Uvula 1) Oral Cavity Overview Palatoglossal arch Palatine tonsil Palatopharyngeal arch 1) Oral Cavity Overview Medial view; Sagittal Section 2) Tongue ID the boney landmarks D A B C 2) Tongue ID the muscle and its innervation 2) Tongue ID the muscle and its innervation 2) Tongue ID the muscle and its innervation 2) Tongue ID the muscle and its innervation 2) Tongue What would you name this muscle? 2) Tongue What would you name this muscle? • Hyoglossus muscle (CN XII) 2) Tongue What would you name this muscle? 2) Tongue What would you name this muscle? • Styloglossus muscle (CN XII) 2) Tongue What would you name this muscle? 2) Tongue What would you name this muscle? • Palatoglossus muscle (CN X) 2) Tongue What would you name this muscle? 2) Tongue What would you name this muscle? • Genioglossus muscle (CN XII) A lesion to which cranial nerve will result in th following symptoms observed in this patient? A. CN V-3 B. CN VII C. CN IX D. CN X E. CN XI F. CN XII A lesion to which cranial nerve will result in th following symptoms observed in this patient? A. CN V-3 B. CN VII C. CN IX D. CN X E. CN XI F. CN XII Is it a lesion of the left or right hypoglossal nerve? A. Left B. Right Is it a lesion of the left or right hypoglossal nerve? A. Left B. Right “Lick your wounds” Describe the results of a lesion shown by the arrow. (taste, general sensation, tongue movement, face movement, face sensation, palatal sensation, salivation, eye movements) 2) Tongue - Innervation Anterior tongue Posterior tongue • GS • GS • SS • SS 2) Tongue - Innervation Anterior tongue Posterior tongue • GS - CN V-3 (lingual) • GS - CN IX • SS - CN VII (chorda tympani) • SS - CN IX Lateral view Coronal NetterSection; Plate 56B Anterior view Horizontal Section; Superior view Palate Tensor veli palatini m. Levator veli palatini m. Pg. 71 Palate Tensor veli palatini m. (CN V-3) Levator veli palatini m. (CN X) Pg. 71 A lesion to which cranial nerve will result in th following symptoms observed in this patient? A. Left CN V-3 B. Left CN IX C. Left CN X D. Right CN V-3 E. Right CN IX F. Right CN X A lesion to which cranial nerve will result in th following symptoms observed in this patient? A. Left CN V-3 B. Left CN IX C. Left CN X D. Right CN V-3 E. Right CN IX F. Right CN X Palate Pg Netter Plate 48A Anterior view; Hard and Soft Palates THANK-YOU.